Yamaha F100C - Powr Power Unit

60C5D11
POWR
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Power unit
Special service tools .....................................................................................5-1
Power unit.......................................................................................................5-3
Checking the valve clearance....................................................................5-6
Checking the compression pressure .........................................................5-9
Checking the oil pressure ..........................................................................5-9
Removing the power unit.........................................................................5-10
Timing belt and sprockets...........................................................................5-12
Removing the timing belt and sprockets..................................................5-17
Checking the timing belt and sprockets...................................................5-18
Installing the timing belt and sprockets....................................................5-18
Cylinder head ...............................................................................................5-21
Removing the cylinder head ....................................................................5-25
Checking the valve springs......................................................................5-26
Checking the valves ................................................................................5-26
Checking the valve guides.......................................................................5-27
Replacing the valve guides......................................................................5-28
Checking the valve seat ..........................................................................5-28
Refacing the valve seat ...........................................................................5-29
Checking the camshaft ............................................................................5-31
Checking the cylinder head .....................................................................5-32
Installing the valves .................................................................................5-33
Installing the cylinder head ......................................................................5-34
Cylinder body ...............................................................................................5-36
Removing and installing the oil filter ........................................................5-39
Disassembling the cylinder body .............................................................5-39
Checking the piston diameter ..................................................................5-40
Checking the cylinder bore ......................................................................5-40
Checking the piston clearance ................................................................5-41
Checking the piston rings ........................................................................5-41
Checking the piston ring grooves ............................................................5-42
Checking the piston ring side clearance..................................................5-42
Checking the crankshaft ..........................................................................5-42
Checking the crankshaft pin oil clearance...............................................5-43
Selecting the connecting rod big end bearing .........................................5-44
Checking the crankshaft main journal oil clearance ................................5-45
Selecting the crankshaft main journal bearing.........................................5-47
Assembling the cylinder body..................................................................5-48
Installing the power unit...........................................................................5-51